W.O. 26-08: WRF Digester Gas Pipe Replacement

The City of Billings is seeking sealed bids for the replacement of digester gas piping and associated equipment at its Water Reclamation Facility. The scope includes demolition of existing gas lines, valves, safety equipment, HVAC ducts, and air handlers; furnishing and installing new gas piping, valves, foam separators, monorail track system, and safety devices; and providing related power, controls, and structural supports. Bidders must submit a bid bond (10% of bid) and, if awarded, furnish performance and payment bonds (100% of contract) and required insurance. A non‑mandatory pre‑bid conference with a site tour will be held on 14 Oct 2026. Bids are due by 2 PM on 4 Nov 2026 at the Billings City Clerk’s office. • Demolition of existing gas and HVAC infrastructure • Supply & install new digester gas piping, valves, foam separators, and safety devices • Install 3‑ton monorail track system with hoists, trolleys, and steel supports • Required bonding and insurance compliance • Pre‑bid conference 14 Oct 2026 (optional) • Bid submission deadline 4 Nov 2026, 2 PM